Pontifex Rembrary, a character known for his divine powers, gets transported to a new world while fighting a devil. He possesses the body of Woo Yeon Woo, a member of an unpopular idol group, and helps turn the group's fortunes around after a disastrous live performance. With his charisma and divine powers, he becomes popular among fans but faces challenges from his past, contending with strange religious groups and the devil. (Source: CK Warrior at MyDramaList) ~~ Adapted from the web novel "Holy Idol" (성스러운 아이돌) by Sin Hwa Jin (신화진).